Is this 3D model free to download?

Yes, Bathtub U-Boat is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by Thingiverse. Use the "Download from Thingiverse" link on this page to open the original listing and grab the file, or save it to your print queue in the free Thinger app.

Designed by Skimbal, published on Thingiverse. Please credit the creator when sharing your print.

Can I print this at home?

Yes. This is a printable 3D model intended for home FDM and resin printers. Check the original listing for suggested print settings.

Bathtub U-Boat 3D printable model by Skimbal

Bathtub U-Boat

Source: Thingiverse by Skimbal

The Bathtub U-Boat is a free printable 3D model from Thingiverse by Skimbal. The Bathtub U-Boat, An Experiment in Large Scale Makerbot Printing. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

3,095 saves Source: Thingiverse Updated 2026-10-15 License: CC-BY-NC · non-commercial 43 makes Category: Vehicles & RC

Tags: experiment, makerbot, model, sub, submarine, toy, u-boat

About this model

The Bathtub U-Boat, An Experiment in Large Scale Makerbot Printing. Along with Westerns, Submarine movies are clinically proven to be universally enjoyed by the male population. Admit it, at some point you have walked around wanting to shout 'FIRE TORPEDOES' at the top of you lungs. Well now you can, and look marginally less crazy while doing it. Update November 2013: A repaired version of these files for use with Makerware and Sli3r are available here:

Frequently asked questions

Is this 3D model free to download?: Yes. Bathtub U-Boat is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link above to open the original listing.
Where is the STL hosted?: The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by Skimbal.
Who made this model?: Designed by Skimbal, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?: Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.